"The Green River provides water for millions of people downstream in the cities of Las Vegas, Phoenix, Tucson, and Las Angeles, among other communities," explained Zach Frankel, Executive Director of the Utah River Council.

SALT LAKE COUNTY, Utah (ABC 4 Utah) - A semi-truck slammed into another semi carrying crude oil, causing a crash that slowed traffic down to a halt Parley's Canyon and dumped more than 4,000 gallons of crude into a nearby stream.